Methylenebismehranine, and Related Aspidosperma Alkaloids p

21 Pages·2014·0.66 MB·English

Concise and Enantioselective Total Syynthesis of
(-)-Mehranine, (-)-Methylenebismehranine, and
Related Asppidospperma Alkaloids
Repporter: Zhongg Yan
Checker: Xiang Gao
Date: 2014/11/18
Movassaghi, M. et al.
Angew. Chem. Int. Ed. 2014, 53, 11634.
Movassaghi, M
From MIT
1
(cid:139) Introduction
(cid:139) Double-Cyclization Strategy in 2012
(cid:139)(cid:139) TTrraannssaannnnuullaarr-CCyycclliizzaattiioonn SSttrraatteeggyy iinn 22001144
(cid:139) Summary
2
Introduction
白白坚坚木木
马蹄花
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Introduction
狗牙花
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Double-Cyclization Strategy in 2012
Retrosynthetic Analysis:
Double
CCyycclliizzaattiioonn
Movassaghi, M. et al. Angew. Chem. Int. Ed. 2012, 51, 4572.
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Synthesis of Tryptamine Lactam
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Synthesis of Tryptamine Lactam
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Synthesis of Aspidosperma Alkaloid
Double Cyclization
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Transannular-Cyclization Strategy In 2014
Retrosynthetic Analysis:
Transannular
Cyclization
Movassaghi, M. et al. Angew. Chem. Int. Ed. 2014, 53, 11634.
9
Transannular-Cyclization Strategy In 2014
10